US Patent 9526347 Platform bed frame

A platform bed frame includes two frame segments connected by hinge connections, leg assemblies connected to the two frame segments, a rotating hook member pivotally secured to one of the frame segments; and a securing extension attached to the other frame segment, and the rotating hook and extension allow two bed frames to be secured together. Alternately, the frame may include an extension and T-slot to connect two frames. A related improvement is a suspension leg including telescoping sections and a compressible, resilient member controlling movement of the telescoping sections. Another related improvement relates to a frame structure with connected angled supports and slats connected thereto to form the mattress supporting surface.